Pope Francis has issued the fourth encyclical of his papacy, denouncing a world that “is losing its heart” during times of global turmoil marked by “wars, socio-economic disparities and the uses of technology that threaten our humanity.

In this encyclical devoted to the Sacred Heart devotion, the Argentine pope reiterated Pope Pius XI and Pius XII's critique of contemporary thought, which he views as overly materialistic and rationalistic.

In his fourth encyclical, “Delixit Nos,” Pope Francis calls on believers to rediscover devotion to the Sacred Heart of Jesus and, through it, to love our brothers and sisters in the church and world.

Pope Francis releases ‘Dilexit Nos,’ the first encyclical on the Sacred Heart in nearly 70 years, arguing Catholic devotion offers answers to challenges such as artificial intelligence and digital isolation.

In an era of artificial intelligence, "we cannot forget that poetry and love are necessary to save our humanity,’’ Pope Francis wrote.

Here’s what you need to know about “Dilexit nos,” the new encyclical from Pope Francis about the Sacred Heart.

Pope Francis' fourth encyclical calls on Catholics to contribute to building a church and society focused on human feeling and forgiveness.

ROME, OCT 24 - Pope Francis on Thursday published the fourth encyclical of his pontificate. The encyclical is called Dilexit Nos - he loved us in Latin. Its full title is "Dilexit Nos - Encyclical Letter on the Human and Divine Love of the Heart of Jesus Christ" and the original Spanish-language text is 40-page-long.